3 7

-

1 7

To subtract these fractions, first subtract the numerators.

The difference of the numerators becomes the new numerator.

The denominator remains the same.

3 7

-

1 7

=

2 7

---

If the resulting proper fraction can be reduced, then do so.

7 8

-

3 8

=

4 8

4 8

=

1 2

---

RULE

Subtracting Fractions with Like Denominators

Subtract the Numerators. Keep the same Denominator.

If the Proper Fraction can be Reduced, then do so.